<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=utf-8&method=alipay.trade.page.pay&sign=d8WkRgcQtPlKd0lVpv2M5ol9qiDynkWfIIH8OisFeqxbrYH0YIMpCyRyIQz3woM88B1VH016liTPcwPqN1wLmB%2BPwV4%2ByAG0C7jWQXGbzMRUVUoXV204uCUs37rUXi0zePoURBvqglXEgHuxWhMtVPiuQ6Xf8%2F3PpE1sRBeorYsImNwEqMw0BxmGhynyYHjgv74gSK5fYJ6RlBFQ355CN%2FupyuTsTvZhMvF2iyU5UAv0jH3PXsDAuuvbWEYiicLZA3C%2F7tYHHPtXKn3zmAfYX%2Bzq7RlJ1zJ3OKJId7rRSq%2BI%2FDZjfJkibwI4r109sA%2FJYLF9CGvZkdOPh4K0CvyPeA%3D%3D&return_url=https%3A%2F%2Fgaga.plus&notify_url=http%3A%2F%2Fhx-space.natapp1.cc%2Fapi%2Fv1%2Falipay%2Falipay_notify_url&version=1.0&app_id=9021000151647577&sign_type=RSA2&timestamp=2025-10-28+17%3A10%3A22&alipay_sdk=alipay-sdk-java-4.38.157.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;hx2025102609120005&quot;,&quot;total_amount&quot;:&quot;0.01&quot;,&quot;subject&quot;:&quot;测试商品&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>
